131149 has 2 divisors, whose sum is σ = 131150. Its totient is φ = 131148.

The previous prime is 131143. The next prime is 131171. The reversal of 131149 is 941131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 8649 = 350^2 + 93^2 .

It is an emirp because it is prime and its reverse (941131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131149 - 2¹³ = 122957 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 3¹⁰ + 1 + 1 + 4⁸ + 9⁴ .

131149 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65574 + 65575.

It is an arithmetic number, because the mean of its divisors is an integer number (65575).

2¹³¹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

131149 is a deficient number, since it is larger than the sum of its proper divisors (1).

131149 is an equidigital number, since it uses as much as digits as its factorization.

131149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

The square root of 131149 is about 362.1449985848. The cubic root of 131149 is about 50.8067788089.

The spelling of 131149 in words is "one hundred thirty-one thousand, one hundred forty-nine".